This volume contains a selection of papers presented at the second workshop on Evaluation and Planning held at Centre International de Hautes Etudes Agronomiques Mediterraneennes (CIHEAM) in Valenzano (Bari) in November 1993. The workshop was financially and otherwise supported by the School of Engineering, Bari Polytechnic; the School of Agriculture, University of Bari; and CIHEAM. The publication of this book was made possible by to the efforts of the contributing authors. Several other persons have provided invaluable support for the workshop or the preparation of this volume. One of these...